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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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The average office desk has 400 times more bacteria on it than a toilet.